2543250345345 has 32 divisors (see below), whose sum is σ = 4521609479040. Its totient is φ = 1356317524800.

The previous prime is 2543250345343. The next prime is 2543250345373. The reversal of 2543250345345 is 5435430523452.

2543250345345 is a `hidden beast` number, since 2 + 5 + 4 + 32 + 50 + 34 + 534 + 5 = 666.

It is not a de Polignac number, because 2543250345345 - 2¹ = 2543250345343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2543250345345.

It is not an unprimeable number, because it can be changed into a prime (2543250345343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1682187 + ... + 2813583.

It is an arithmetic number, because the mean of its divisors is an integer number (141300296220).

Almost surely, 2^{2543250345345} is an apocalyptic number.

It is an amenable number.

2543250345345 is a deficient number, since it is larger than the sum of its proper divisors (1978359133695).

2543250345345 is a wasteful number, since it uses less digits than its factorization.

2543250345345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148062 (or 1148056 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 45.

Adding to 2543250345345 its reverse (5435430523452), we get a palindrome (7978680868797).

The spelling of 2543250345345 in words is "two trillion, five hundred forty-three billion, two hundred fifty million, three hundred forty-five thousand, three hundred forty-five".